Double hinged joint



FIG. 1 is a front perspective view of an embodiment of a double hinged joint;

FIG. 2 is a front left perspective view of the double hinged joint of FIG. 1;

FIG. 3 is a rear left perspective view of the double hinged joint of FIG. 1;

FIG. 4 is rear view of the double hinged joint of FIG. 1; and,

FIG. 5 is a front lower perspective view of the double hinged joint of FIG. 1.

The broken lines in drawing views are included for the purpose of illustrating portion of the double hinged joint that forms no part of the claimed design. 

The ornamental design for a double hinged joint, as shown and described. 